1. The Norwegian Water Resources and Energy Directorate, P.O. Box 5091 Majorstua, Oslo N-0301, Norway
2. Department of Environmental Studies, University of Latvia, Raina bulv. 19, LV 1586, Riga, Latvia
3. Department of Built Environment, Aalto University, P.O. Box 11000, FI-00076 AALTO, Finland
4. Lithuanian Energy Institute, Breslaujos st. 3, LT-44403 Kaunas, Lithuania
5. Institute of Ecology, Tallinn University, Uus Sadama 5, 10120 Tallinn, Estonia
6. Icelandic Met Office, Veðurstofa Íslands, Bústaðavegi 7-9, 105 Reykjavík, Iceland
7. Division of Water Resources Engineering, Lund University, Box 118, 221 00 Lund, Sweden
8. Department of Environmental and Resource Engineering, Danish Technical University, Bygningstorvet, 115, 106, 2800 Kgs. Lyngby, Denmark